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Journal : Jurnal Pendidikan MIPA

Problem Solving Skills of Mathematics Education Students with Lack Number Sense Ability Arjudin, Arjudin; Turmuzi, Muhammad; Kurniati, Nani; Wulandari, Nourma Pramestie
Jurnal Pendidikan MIPA Vol 25, No 1 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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Abstract

Abstract: Problem-solving in mathematics is a fundamental skill that must be mastered by individuals. However, previous research indicates that students' problem-solving abilities tend to be moderate to low. Many factors contribute to this, including the factor of number sense ability. The objective of this study is to describe how number sense and problem-solving skills are used by mathematics education students with low number sense ability in solving linear programming problems using the simplex method. This research is qualitative descriptive involving 36 third-year mathematics education students as participants. Subjects were selected using purposive sampling technique based on a number sense ability test to identify those with low number sense ability. Participants were given an advanced test involving linear programming problems solved using the simplex method. The results indicate that mathematics education students with low number sense ability struggle to solve problems accurately. Stages of problem-solving that were not performed effectively included gathering information, planning, and implementing the plan. Furthermore, students did not engage in the reviewing stage. Moreover, students were not flexible in manipulating numbers, especially when dealing with large numbers. As a result, more time was required for computations, and the iteration process in the simplex method could not be effectively completed.        Keywords: linear programming, number sense, number sense ability, problem solving, simplex method.DOI: https://dx.doi.org/10.23960/jpmipa/v25i1.pp103-115
Co-Authors Achirudin, Zulfikar Afandi, Noval Agustina Agustina Agustina, Arianti Agutina, Ripki Amalia Ainun, Yusri Ambia, Nurul Amelia Kusuma Amrullah Amrullah Amrullah Anisah Anwariyah, Sofiyatil Apriani, Amelia Aprilia, Ririn Arjudin Arjudin Arjudin Azmi, Ema Suryani Baehaqi Baidowi Baidowi Baidowi Baidowi Baiq Julia Setyaningrum Cahyani, Nurriza Indah Chaerunnisa Sumiatun Efendi Chopifah Rosdianti Cintya, Yulyta Dhuha, Shela Hadri Dhuha Dina, Yana Roza Eka Kurniawan Erika Fitriana Erly Ekayanti Rosyida Ezi Julianto Fadila, Laila Fahmi Firdaus Firnanda, Riska Faya Hadi, Safwanul Harry Soeprianto Haryani, Fitria I Nyoman Pujawan Ida Royani Intan Kertiyani, Ni Made Irwadi Saputra Iryanto, Rizal Ismi Andriyani, Ismi Julianto, Ezi Junaidi Junaidi Junaidi Junaidi Kayanti, Kusamantha Dwi Ketut Sarjana KETUT SARJANA, KETUT Kurabi, M.Kasyiful Kurniawan, Eka Laila Hayati Laila Hayati, Laila Lu’luilmaknun, Ulfa Lu’luilmaknun, Ulfa Miftahul Janah Muhammad Turmuzi Mulya Lestari Muniro, Nisrina Nabila Aulia Priangka Ni Kadek Nirmala Wilwatikta Ni Made Intan Kertiyani Nia Agustina Nilza Humaira Salsabila Nourma Paramestie Wulandari Nourma Pramestie Wulandari Nurfahrani, Nurfahrani nurul ambia Nurul Fatmawati Nurul Hikmah NURUL HIKMAH Nuryadin, Nanang Nyoman Sridana Nyoman Sridana Pebrianto, Anggi Prasetyo, Erik Bagus Rabiyatil Husniyati Ratna Dwi Aryani Ratna Yulis Tyaningsih Rima Guntari Lyana Rosmala Dewi, Lale Amrini Salsabila, Nilza Humaira Sapitri, Evi Sasa Apriliska Septia Yazid, Fajri SITI ANISA RUSMANIA Soepriyanto, Harry Sri Subarinah Sri Subarinah, Sri Sridana Sridana Sripatmi Sripatmi Sripatmi Sripatmi Sripatmi, Sripatmi Sudi Prayitno Suef, Mokhamad Sujaya, Ketut Ary Sulisyani, Anis Suliyani, Anis Syafitri, Rekha Hesti Syahril Ramdhan Syahrul Azmi Syahrul Azmi Tabita Wahyu T Tabita Wahyu Triutami Thohira, Nur Triutami, Tabita Wahyu Ulfa Lu'luilmaknun Ulfa Lu’luilmaknun ULUL AZMI Utami, Davina Putri Wafasari Wahidaturrahmi Wahidaturrahmi Wahidaturrahmi, Wahidaturrahmi Wulandari, Nourma Pramestie Yulis Tyaningsih, Ratna Yunita Septriana Yunita Septriyana Anwar Zalty, Rani Febriana Zulhijri